K类
K类音频功放属于自主注册商标的音频功放系列产品,升压至6V,采用电荷泵架构,有效节省PCB面积和系统成本,扬声器电源保护罩主导智能手机和功能手机应用。
产品列表
Part No. Power Supply (Min) (V) Power Supply (Max) (V) PVDD Voltage(V) Boost Type PO(W) (8&THD=1%) SPK Noise(uV) Protection Control Interface RCV mode RCV Noise(uV) Temperature Package (mm) Ref.price
AW8733BTQR 2.5 5.5 6.5 Charge Pump (inductor free) 2W@4.2V 29μV@12dB NCN one-wire NO / -40℃~85℃ WBQFN 3X3-20L(0.75) <1k ¥1.57
≥1k ¥1.05
AW8737AFCR 3.0 5.5 6.05 K-Charge Pump (inductor free) / 53uV@8V/V
58uV@12V/V
68uV@16V/V
NCN one-wire NO / -40℃~85℃ FCQFN 1.6X1.6-16L <1k ¥1.81
≥1k ¥1.2
AW87317AFCR 3.0 5.5 6.05 K-Charge Pump (inductor free) 1.75W@4.2V 53uV@8V/V NCN one-wire YES 22uV@1V/V
25uV@3V/V
-40℃~85℃ FCQFN 1.6X1.6-16L <1k ¥2.17
≥1k ¥1.45
AW8733ATQR 2.5 5.5 6.3 Charge Pump (inductor free) 1.7W@4.2V 141uV@24dB NCN one-wire NO / -40℃~85℃ WBQFN 3X3-20L(0.75) <1k ¥1.45
≥1k ¥0.97